Acer AS4810TG-354G50Mn LX.PE10X.047 Service Manual page 97

Power Management-Related Symptoms
The system doesn't resume from
hibernation mode.
The system doesn't resume from standby
mode after opening the LCD.
Battery fuel gauge in Windows doesn't go
higher than 90%.
System hangs intermittently.
Peripheral-Related Symptoms
System configuration does not match the
installed devices.
External display does not work correctly.
USB does not work correctly
Print problems.
Serial or parallel port device problems.
Keyboard/Touchpad-Related Symptoms
Keyboard (one or more keys) does not
work.
Chapter 4
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Symptom / Error
Symptom / Error
Symptom / Error
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Action in Sequence
See "Save to Disk (S4)" on page 25.
Hard disk connection board
Hard disk drive
System board
See "Save to Disk (S4)" on page 25.
LCD cover switch
System board
Remove battery pack and let it cool for 2 hours.
Refresh battery (continue use battery until power off, then
charge battery).
Battery pack
System board
Reconnect hard disk/CD-ROM drives.
Hard disk connection board
System board
Action in Sequence
Enter BIOS Setup Utility to execute "Load Default Settings",
then reboot system.
Reconnect hard disk/CD-ROM/diskette drives.
Press Fn+F5, LCD/CRT/Both display switching
System board
System board
Ensure the "Parallel Port" in the "Onboard Devices
Configuration" of BIOS Setup Utility is set to Enabled.
Onboard Devices Configuration
Run printer self-test.
Printer driver
Printer cable
Printer
System Board
Ensure the "Serial Port" in the Devices Configuration" of
BIOS Setup Utility is set to Enabled.
Device driver
Device cable
Device
System board
Action in Sequence
Reconnect the keyboard cable.
Keyboard
System board
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